WHAT WE OFFER

We are a specialized manufacturer of brass valves, HVAC plumbing fixtures, piping and industrial applications.

JL-B1069

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1715B

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1171

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1181

Medium temperature:-20C≤t≤110°CMaximum working pressure : 1Mpa(10bar)Working medium:water,non-corrosive liquid

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ABOUT DOVA

Zhejiang Jiafu HVAC Co., Ltd. is located in the Yuhuan Valve Base, China. We are a specialized manufacturer of brass valves, HVAC plumbing fixtures, pipes, and products for industrial applications.

Since our establishment in 2004, we have received a good reputation for our commitment to R&D, production, service, and OEM solutions with 20 years of experience in this field.

2004

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ENTERPRISE EQUIPMENT

According to the ISO 9001:2015 management system, we have full control over the process from incoming materials, forging, machining, and assembly to shipment. Our valves have passed CE, EN331, WRAS, and ACS certifications and are completely leak-tested during the production process. With the help of our in-house testing laboratory, we inspect valve quality professionally and efficiently.

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DOVA VALVE SERIES

We are a specialized manufacturer of brass valves, HVAc plumbing fixtures, pipes and industrial applications.

LATEST UPDATES

Provide you with the latest enterprise and industry news.

2026-03-13

When Is It Appropriate to Install a Brass Strainer Valve in a Piping System?

Brass strainer valves are mechanical devices designed to filter solid particles from flowing fluids while also allowing shut-off or flow regulation in certain configurations. They are commonly installed in plumbing systems, HVAC circuits, irrigation networks, and light industrial pipelines. Manufact...
2026-03-06

How Should Brass Mini Ball Valves Be Selected, Maintained, and Repaired?

Brass mini ball valves are compact shut-off devices commonly used in plumbing systems, HVAC lines, air compressors, and small-scale fluid control installations. They are typically manufactured from forged or machined brass and operate through a quarter-turn ball mechanism. Their size and pressure ra...
2026-02-24

What Are the Differences Between the 1/2 Inch Stainless Steel Manifold and Others?

Manifolds are critical components in various piping and fluid systems, as they distribute fluids or gases from one source to multiple destinations. They are used in applications ranging from HVAC systems to automotive and industrial setups. Among the various materials used to make manifolds, stainle...